Finding the Fourth Proportional to 13,462.92, 18,594.38 and 8,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,462.92 : 18,594.38 = 8,978.88 : x
2. Step 2: Convert to fraction form
   13,462.92/18,594.38 = 8,978.88/x
3. Step 3: Cross multiply
   13,462.92x = 18,594.38 × 8,978.88
4. Step 4: Simplify right side
   13,462.92x = 166,956,706.69
5. Step 5: Solve for x
   x = 166,956,706.69/13,462.92
6. Step 6: Final answer
   x = 12,401.23